Originally Posted by mspeed
i'm hoping the "enhanced premium sound" is the step above Logic 7, aka the INDIVIDUAL sound
That same price/option name is on the 2008 M5 on the BMWUSA website for $700, and according to the BMW "M driver newsletter" posted in the main M3 forum, that has the "neodynium" drivers and all that stuff. Sounds like it's the same.
BMWNA would be idiotic to not offer an upgraded stereo that BMW has already developed for every other M car including Euro E92's.
EDIT: Little more digging, the 2008 M5 ordering guide lists a "752 Enhanced Premium Sound" as well. Sounds like it will be the same.